Base | Representation |
---|---|
bin | 111010000100… |
… | …0011110010101 |
3 | 2010021200111211 |
4 | 1310020132111 |
5 | 30243142123 |
6 | 3004301421 |
7 | 516523210 |
oct | 164103625 |
9 | 63250454 |
10 | 30443413 |
11 | 16203650 |
12 | a241871 |
13 | 63cba70 |
14 | 4086777 |
15 | 2a1540d |
hex | 1d08795 |
30443413 has 32 divisors (see below), whose sum is σ = 43303680. Its totient is φ = 20597760.
The previous prime is 30443411. The next prime is 30443423. The reversal of 30443413 is 31434403.
It is a cyclic number.
It is not a de Polignac number, because 30443413 - 21 = 30443411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30443411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16123 + ... + 17911.
It is an arithmetic number, because the mean of its divisors is an integer number (1353240).
Almost surely, 230443413 is an apocalyptic number.
It is an amenable number.
30443413 is a deficient number, since it is larger than the sum of its proper divisors (12860267).
30443413 is a wasteful number, since it uses less digits than its factorization.
30443413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1837.
The product of its (nonzero) digits is 1728, while the sum is 22.
The square root of 30443413 is about 5517.5549838674. The cubic root of 30443413 is about 312.2466443571.
Adding to 30443413 its reverse (31434403), we get a palindrome (61877816).
The spelling of 30443413 in words is "thirty million, four hundred forty-three thousand, four hundred thirteen".
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